AISI304 AISI316L Round Pressure Manhole with Insulated Lid Jinan Jinhui Dadi Trading Co., Ltd. Base Info Standard.：ISO, DIN, SMS, 3ATrademark：IFECTransport Package：Wooden Cases or Wooden PalletSpecification：400mm, 450mm, 500mm, 600mmOrigin：Zhejiang, China Description Pre：Food Grade Rectangle Manhole Cover Next：Hygienic Tank Square Outward Manway
